LED Indicator with Potentiometer!

1const int potPin = A0;
2int potVal = 0;
3int led = 0;
4
5void  setup() {
6  Serial.begin(9600);
7  for(int x = 2; x < 8; x++){
8    pinMode(x,  OUTPUT);
9  }
10  pinMode(potPin, INPUT);
11}
12
13void loop() {
14  potVal  = analogRead(potPin);
15  Serial.print(potVal);
16  led = map(potVal, 0, 1023,  0, 6);
17  Serial.print(" ");
18  Serial.println(led);
19  if(led == 0){
20    for(int x = 2; x < 8; x++){
21      digitalWrite(x, LOW);
22    }
23  }
24  if(led == 1){
25    for(int x = 2; x < 8; x++){
26      digitalWrite(x, LOW);
27    }
28    digitalWrite(2, HIGH);
29  }
30  if(led == 2){
31    for(int x =  2; x < 8; x++){
32      digitalWrite(x, LOW);
33    }
34    for(int x = 2; x  < 4; X++){
35      digitalWrite(x, HIGH);
36    }
37  }
38  if(led == 3){
39    for(int x = 2; x < 8; x++){
40      digitalWrite(x, LOW);
41    }
42    for(int  x = 2; x < 5; X++){
43      digitalWrite(x, HIGH);
44    }
45  }
46  if(led  == 4){
47    for(int x = 2; x < 8; x++){
48      digitalWrite(x, LOW);
49    }
50    for(int x = 2; x < 6; X++){
51      digitalWrite(x, HIGH);
52    }
53  }
54  if(led == 5){
55    for(int x = 2; x < 8; x++){
56      digitalWrite(x, LOW);
57    }
58    for(int x = 2; x < 7; X++){
59      digitalWrite(x, HIGH);
60    }
61  }
62  if(led == 6){
63    for(int x = 2; x < 8; x++){
64      digitalWrite(x,  LOW);
65    }
66    for(int x = 2; x < 8; x++){
67      digitalWrite(x, HIGH);
68    }
69  }
70}